Unit 13 The water planet (Warming up & Speaking)What do they have in common?Lead-inWithout water, Without water, what would what would happen?happen?Without water, Without water, life would not exist.life would not exist.Water is a must to Water is a must to life.life. World Day for WaterWorld Day f...

时间:2024-11-21 06:51栏目:中学教育